Apple tree question?

[Satguy]

Does anybody know what this is and should I be worried. These are newly planted trees.

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[KJS - ND]

Looks like cedar-apple rust. I believe there are fungicides, but I've never used them so I can't give more guidance. Others will surely chime in w/ more direct knowledge.

 

[Turkey Creek]

Looks like Scab. CAR is more of an orange color and if you look at the underside of the leaf you will see orange "filaments" hanging from the bottom. You can spray with Captan or another fungicide registered for Scab to prevent further infection.